Dispersants for aqueous slurries

Details Dispersants for aqueous slurries Dispersants for aqueous slurries

1984-08-22

1985-09-17

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106308S, 260505N, C07C14324

Patent

active

045419655

ABSTRACT:
The present invention provides a water-soluble dispersant for aqueous slurries of coal, lignite, cement, gypsum, and fillers. The dispersant comprises a sulfonated mixture of polynuclear fused-ring aromatic hydrocarbon compounds. The mixture, prior to sulfonation, (a) is liquid at a temperature of 100.degree. Centigrade, (b) has an aromatic content of more than about sixty percent, (c) a molecular weight distribution of from about 150 to about 10,000, and (d) a weight average molecular weight of less than about five hundred.

REFERENCES:
patent: 3970690 (1976-07-01), Suzuki et al.

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